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小蟲(chóng)快跑銅蟲(chóng) (初入文壇)
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[求助]
幫忙翻譯摘要
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| 本文通過(guò)研究和討論制備條件、反應(yīng)條件對(duì)催化劑物理化學(xué)特性及光催化活性的影響并對(duì)提高光解水制氫的產(chǎn)率進(jìn)行探討,選出最佳活性的條件,制備出高活性的納米光催化劑。利用水熱法通過(guò)改變pH值、負(fù)載量制備了不同系列的光催化劑又進(jìn)行負(fù)載K2La2¬Ti3O10制備出了ZnIn2S4/ K2La2¬Ti3O10。利用X射線(xiàn)衍射、掃描電鏡、紫外-可見(jiàn)漫反射等對(duì)催化劑進(jìn)行了表征,觀(guān)察分析催化劑的表面及體相化學(xué)組成、晶體結(jié)構(gòu)、粒徑及孔徑分布、比表面、帶隙能、吸光性等物理與化學(xué)性質(zhì)。通過(guò)對(duì)數(shù)據(jù)和圖樣進(jìn)行分析、總結(jié),結(jié)果表明:制備出的ZnIn2S4/ K2La2¬Ti3O10催化劑的粒徑成功的控制在了納米級(jí),具有較好的穩(wěn)定性;隨著pH的增大,催化活性逐漸下降;隨著負(fù)載量的增大,催化活性先增大后減小;水熱法在160oC、pH=1和25%負(fù)載量下所得的催化劑表現(xiàn)出穩(wěn)定和較高的催化活性。 |

鐵蟲(chóng) (著名寫(xiě)手)

至尊木蟲(chóng) (知名作家)
銅蟲(chóng) (初入文壇)

至尊木蟲(chóng) (知名作家)
至尊木蟲(chóng) (知名作家)
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時(shí)間不是很充裕,先一句一句的翻,樓主覺(jué)得有用就用: In present paper, the effects of synthesis and reaction conditions on the physicochemeical properties and photo-activities of catalysts were investigated and discussed. some discussions were also paid to how to improve the hydrogen yields by photochemical water splitting. The photo-activity conditions were optimized to produce the nanosized photocatalyst with high activities. |
至尊木蟲(chóng) (知名作家)
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利用水熱法通過(guò)改變pH值、負(fù)載量制備了不同系列的光催化劑又進(jìn)行負(fù)載K2La2¬Ti3O10制備出了ZnIn2S4/ K2La2¬Ti3O10。 several batchs of photocatalysts were prepared by hydro-thermal method with variant PH values and 負(fù)載量。ZnIn2S4/ K2La2¬Ti3O10 was also prepared by using K2La2¬Ti3O10. 利用X射線(xiàn)衍射、掃描電鏡、紫外-可見(jiàn)漫反射等對(duì)催化劑進(jìn)行了表征,觀(guān)察分析催化劑的表面及體相化學(xué)組成、晶體結(jié)構(gòu)、粒徑及孔徑分布、比表面、帶隙能、吸光性等物理與化學(xué)性質(zhì)。 photocatalysts are chatercterized by x-ray diffraction, scanning microscopy and UV-vis diffuse reflections. surface morphologies, chemical compositions, crystallographic structure, partical sizes, porous size distributions(? 孔徑分布), specific surface, bond gap energy, and Optical absorption properties were also investigated. |
至尊木蟲(chóng) (知名作家)
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通過(guò)對(duì)數(shù)據(jù)和圖樣進(jìn)行分析、總結(jié),結(jié)果表明:制備出的ZnIn2S4/ K2La2¬Ti3O10催化劑的粒徑成功的控制在了納米級(jí),具有較好的穩(wěn)定性;隨著pH的增大,催化活性逐漸下降;隨著負(fù)載量的增大,催化活性先增大后減;水熱法在160oC、pH=1和25%負(fù)載量下所得的催化劑表現(xiàn)出穩(wěn)定和較高的催化活性。 The results indicates that the nanosized ZnIn2S4/ K2La2¬Ti3O10 catalysts were synthesized with good stability. With increased PH value, the photocatalyst activity were reduced. with more amount of 負(fù)載量, the photocatalyst activity was increased at beginning and then decreased. by hydrothermal method, the optimized stablity and photocatalyst activity were achieved at 160oC, PH=1 and 25% 負(fù)載量。 |
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